An engine overhaul is a major engine repair that involves the removal, disassembly, inspection and repair of an engine. During the overhaul, small parts and components, like bolts, might be replaced with new factory parts. Gasket Engine Overhaul Gasket Kits are designed to rebuild stock engine. They contain all the gaskets and seals required to rebuild the engines. It is a combination of sealing components of variable parts of engine at the time of overhauling of engine . Sets includes Top-quality Head Gasket, Valve Cover Gkt, Sump Chamber Gkt, O-rings and seals that all meets original-equipment specification.